ATOF(3) | Library Functions Manual | ATOF(3)

# NAME

atof — convert ASCII string to double

# LIBRARY

Standard C Library (libc, -lc)

# SYNOPSIS

#include <stdlib.h>

double
atof(const char *nptr);

# DESCRIPTION

The atof() function converts the initial portion of the string pointed to by nptr to double representation.

It is equivalent to:

    strtod(nptr, (char **)NULL);

# SEE ALSO

atoi(3), atol(3), strtod(3), strtol(3), strtoul(3)

# STANDARDS

The atof() function conforms to ANSI X3.159-1989 (“ANSI C89”).

June 4, 1993 | NetBSD 7.2